do not use if you have prostate or breast cancer. serious side effects could include increased risk of prostate cancer; worsening prostate symptoms; decreased sperm count; ankle, feet, or body swelling; enlarged or painful breasts; problems breathing while sleeping; and blood clots in the legs. common side effects include skin redness or irritation where applied, increased red blood cell count, headache, diarrhea, vomiting, and increase in psa. see your doctor, and for a 30-day free trial, go to axiron.com. >>> as we said, it's been big news. she has crashed through a speed and gender barrier. danica patrick, who won the top position in nascar's upcoming big race, the daytona 500. it is the first time a woman has ever earned the lead spot in this grueling, physical sport. and abc's paula faris shows us the secrets of how she did it. >> reporter: in the 65-year history of nascar, there has never been a female winner. >> danica patrick in green. >> reporter: but after winning daytona's pole position, danica patrick is in position to ch